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Finding the Fourth Proportional to 63,550.65, 87,699.98 and 35,256.34

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Solution

The fourth proportional to 63,550.65, 87,699.98 and 35,256.34 is: 48,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.65 : 87,699.98 = 35,256.34 : x
  2. Step 2: Convert to fraction form
    63,550.65/87,699.98 = 35,256.34/x
  3. Step 3: Cross multiply
    63,550.65x = 87,699.98 × 35,256.34
  4. Step 4: Simplify right side
    63,550.65x = 3,091,980,312.87
  5. Step 5: Solve for x
    x = 3,091,980,312.87/63,550.65
  6. Step 6: Final answer
    x = 48,653.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.